Lichess Online Chess is a free and open-source chess application built for the love of the game. It is designed for both phones and tablets, supporting landscape mode, and is available in 80 languages. This app has gained popularity with a daily user base of 150,000 and growing fast.

Lichess Online Chess allows players to play bullet, blitz, classical, and correspondence chess, as well as participate in arena tournaments. The app also features a chess puzzle practice mode, where players can practice their skills. Moreover, this app offers many variants, both online and offline, such as Crazyhouse, Chess 960, King Of The Hill, Three-check, Antichess, Atomic chess, Horde, and Racing Kings.

Players can also analyze their games with local computer evaluation or server computer analysis with move annotations and game summary. Additionally, the app features an opening explorer, a standalone chess clock with multiple time settings, and a board editor. The Over The Board mode allows players to play offline with a friend.

Lichess Online Chess is 100% free, without ads, and open-source, just like its website counterpart. The app is designed to respect user freedom and is entirely free now and forever.